Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11AM Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enjoy Extended Returns thru Feb 1, 2017!
You have until Feb 1, 2017 to return or exchange items purchased between Nov 1, 2016 and Jan 1, 2017. All other standard return policy conditions apply.
Enter new zip code to refresh estimated delivery time.
The 2200mAh Battery Backup Unit from QNAP has been designed for their ES1640dc 16-Bay NAS Enclosure. It has a capacity of 2200mAh and serves as a backup unit for the NVRAM write cache in the event of a power outage.
Table of Contents
QNAP ES1640dc 16-Bay NAS Enclosure
4.7 x 3.1 x 1.3" / 119.4 x 78.7 x 33.0 mm
0.50 lb / 0.23 kg
QNAP 2200mAh Battery Backup Unit for the ES1640dc NAS Review